Your club is missing from the list because its Club Ladder Steward is not known to the National Ladder Steward.
Club Ladder Stewards are essential for monitoring and regulating the claims made by their club pilots. If your club has a Ladder Steward, get him/her to contact the for registration details.
If your club does not have a ladder steward, appoint one! If no-one volunteers, why don't you have a go yourself...? The National Ladder Steward is looking forward to hearing from you.